SchoolAuction.net - SchoolAuction.net is a web-based software to help school auction teams plan, manage and run school fundraising auctions.
Webid - WeBid is an open-source script to get an auction site up and away.
Arreva Online Fundraising - Online fundraising software for nonprofits
Global Auction Platform - Global Auction Platform (GAP) - the leading web based auction management software solution
DonorSnap - DonorSnap is a donor management and fundraising software.
GalaBid - GalaBid designs an auction in minutes that guests can access from a smartphone, computer, or tablet.